• Clear shields come standard on the N43T and N43ET. The Light Blue comes standard on the N43 and N43E. Smoke shields and metal shields offer 50% light transmission. Dark green shields offer 80% light filtration and are not to be used in low light conditions, or in conjunction with another tinted shield, like the VPS shield.• Optically correct• Ready for Pinlock antifog insert• UV400 protective• Treated anti-scratch